682151
Xanthine Oxidase, Buttermilk
Native xanthine oxidase from buttermilk. Complex metalloprotein that catalyzes oxidative hydroxylation of a variety of aromatic heterocycles and simple aldehydes. Catalyzes the oxidation of xanthine to uric acid.
Synonym(s):
Xanthine Oxidase, Buttermilk
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About This Item
Quality Level
form
liquid
specific activity
≥0.5 units/mg protein
manufacturer/tradename
Calbiochem®
storage condition
do not freeze
foreign activity
lactoperoxidase, none detected
shipped in
wet ice
storage temp.
2-8°C
General description
Native xanthine oxidase from buttermilk. Complex metalloprotein that catalyzes oxidative hydroxylation of a variety of aromatic heterocycles and simple aldehydes. Catalyzes the oxidation of xanthine to uric acid.
Native xanthine oxidase from buttermilk. Complex metalloprotein that catalyzes oxidative hydroxylation of a variety of aromatic heterocycles and simple aldehydes. Has an optimal pH of 4.6 and a pI of 5.3-5.4. Catalyzes the oxidation of xanthine to uric acid.
Packaging
Please refer to vial label for lot-specific concentration.
Warning
Toxicity: Standard Handling (A)
Unit Definition
One unit is defined as the amount of enzyme that will convert 1.0 µmol of xanthine to uric acid per min at 25°C, pH 7.5.
Physical form
Crystalline suspension in 60% ammonium sulfate.
Other Notes
McWhirter, R.B. and Hille, R. 1991. J. Biol. Chem.266, 23724.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Certificates of Analysis (COA)
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